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Abe b c d Barb Student Cal N answer 2 1 3400 S 2 Perform the indicated operations to the correct number of significant figures using the rules for significant figure a 37 60 x 1 23 46 2 37 60 0 0130 13000 Questions 3 6 Three students named Abe Barb and Cal make measurements in m of the length of a table Find the means 1 using the data given L3 L 1 4717 1 4753 1 4719 L 1 4711 1 4759 b 0 75 6 7 8 975 1 4723 1 4722 1 4756 1 4727 LA 1 4715 1 4749 1 4705 c 0 0000089 x 6500 00 in scientific notation XLO L On l a 110 4916103 00040 0 0000 11 47540 00043 0 0002 1 4719 0 0004 0005 Only one significant figure is kept in the standard error a and this determines the number of significant figures in the mean The actual length of the table is 1 4715 m 3 Find the percentage differences in length measured by three students error 4 State how one can measure the accuracy of a measurement Apply your idea to the measurements of three students above and state which of the students has the most accurate measurement Why is that your conclusion 5 State the characteristics of data that indicate a systematic error Do any of the three students have data that suggest the possibility of a systematic error If so state which students it is and state how the data indicate your conclusion 6 Which student has the best measurement considering both accuracy and precision State clearly What the characteristics are of the student s data on which your answer is based

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